Build
A new app, site or internal tool
Fixed/quote
- Free audit call and written scope
- Designed and built in small releases
- Tested on your real data
- Handover with docs and accounts
Design · build · ship — for growing businesses
app
Describe the idea in plain words. We take it from the first message to launch day, then hand you the keys.
By the numbers
The stack we build on and run every day.
5
Selected portfolio projects
PostgreSQL
Rust
Grafana
GitHub
TanStack
Sanity
Cloudflare
Anthropic
OpenAI
Meta
Google
A studio built on
shipped systems.
- 5
- Service lines, one team.
- 1 brief
- From idea to launch, then kept running.
A small studio of engineers working alongside AI agents. caveman.build designs, builds and hosts software for businesses and artists, then stays on to run and guard it.
Explore our servicesSelected work.
Five portfolio projects, plus this site in progress.
Play the recordings to see each one working.
-
- TanStack Start
- React
- Clerk
- Supabase
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- TanStack Start
- React
- Sanity
-
LLP Chat.
2026 · Labour-law answers with cited sources · Live
UI demo: the recorded answer reports incomplete source coverage.
Visit LLP Chat- Rust
- SvelteKit
- Postgres + pgvector
-
- React
- Hono
- Rust
- PostgreSQL
- Clerk
-
caveman.build.
2026 · This site, with its 3D night scene · In progress
View local caveman.build preview- Three.js
- Vite
-
- Next.js
- React
- Three.js
- Supabase
Our services.
Five services, one team. We build it, host it, run it and guard it, so you brief once and it stays running. The scenes are illustrations with sample numbers.
Book a call-
Development.
We design and build the apps, sites and internal tools your business runs on, then keep shipping changes after launch.
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Hosting and infrastructure.
Your apps, databases and domains run on servers we operate, with TLS, monitoring and daily backups included.
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AI runtimes and agents.
Agents that work inside your tools around the clock, on isolated runtimes we host, with every model call metered exactly.
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Platform services.
Your dashboards, CRM, workflows and design tools in one workspace, operated for you by your own assistant on chat and voice.
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Security and operations.
We guard what we run for you: continuous security checks, bounded automatic response, incident handling and a monthly report.
01Why us?
Why companies choose caveman.build
We make AI adoption simple, strategic, and measurable
Our advantages include:
- 01Clear, Actionable Strategy
- 02Proven AI Frameworks
- 03Hands-On Implementation
- 04Transparent Costs
Applies to:Every project we take onOct 2026
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The team.
caveman.build
AIEngineers and AI agents, one team on your project
-
The code, the data, the domains and the accounts are yours. No lock-in.
/100% yours
from day one -
Monitoring, backups and security checks keep running after launch, not once a quarter.
/24Hours a day
on watch -
The people who build it also host it, run it and answer when something breaks.
/5Service lines,
one brief
Real-time AI Control
Your AI, always in your pocket
Run your business from WhatsApp: ask, approve, done. This demo uses sample data: your assistant finds overdue invoices, chases them after your yes and puts a banner live on your website.
02How we work
How we turn manual into automatic
No generic advice. No complex dashboards. Just practical improvements.
01/
Audit The Work.
We map where the time goes and pick the automations with the best payback.
02/
Design The System.
We agree exactly what runs on its own and where a human stays in the loop.
03/
Build And Test.
We build in small pieces and test on your real data, not on a demo.
04/
Handover And Own It.
You get the system, the docs and the training. You own all of it, no lock in.
The first of the four steps, the audit call, is free and you keep the findings.
caveman.build
03 Got something manual?
Show us your most annoying workflow.
Tell us the one task your team dreads every week. On the first call we will tell you, for free, whether it is worth automating and roughly what it would take.
Youcaveman.build
Pricing.
Priced per project after the first call. You see the plan before you pay for anything.
Every plan starts withA free audit call
RunAfter launch
Software that has to stay up and safe
Monthly/flat
- Hosting, domains and TLS
- Monitoring and daily backups
- Security checks and a monthly report
- Small changes every month
Build and run with AI
Agents working inside your tools
Custom/scope
- Everything in Build and Run
- Agents on isolated runtimes we host
- Every model call metered exactly
- One team for every line
04from our reading list
News
- October 17, 2026 · GitHub ↗
An 8 KB skill claims to replace a whole reverse-engineering MCP server - October 14, 2026 · GitHub ↗
Graphicle puts a code graph and agent memory in one Rust program - October 13, 2026 · GitHub ↗
Hindsight, the open memory layer for AI agents, reaches 1.0 - October 7, 2026 · GitHub ↗
Droidline drives real Android phones from code with no ADB, USB or root
05Help & Info
Pre-call FAQ.
Do we need an AI strategy before we talk to you?
No. Most clients come with a vague sense that too much is manual. The audit turns that feeling into a ranked list of what to automate first, so you do not need a plan before you start.
How fast can we see something working?
It depends on the scope and what has to connect, and we agree the milestones before work starts. We start with one process that is painful and small enough to ship quickly, build it, and put it in front of the people who do that work every day, so you see something running before you commit to anything bigger.
Will this replace people on our team?
No, and we would push back if that were the goal. Automation is good at the repetitive parts: copying data between systems, chasing approvals, formatting the same report every week. It is bad at judgement, context, and anything that needs someone to actually decide. In practice, teams end up doing the same work with fewer interruptions, though a few roles do shift toward reviewing output instead of producing it.
What happens to our data?
We work inside the tools you already use and only move data when a process genuinely needs it. Where your data lives, who can access it and which model providers are used are agreed for each project, in writing, before we start.
Are we locked in after the project?
No. Ownership and handover are written into the proposal: the code, the accounts and the documentation are yours. If you want to take everything in house or hand it to another team, that takes a handover call, not a negotiation.
What if the automation breaks?
Things do break: an API changes, a form gets a new field, someone renames a column. Monitoring, recovery steps, support coverage and response times are agreed for each project, and the handover documents how to report a problem and who looks after the system.
Contact us directly
Still unsure?
Ask a questionAsk me anything about your project, any hour. When a person needs to decide, I bring in the team.
ArisOur AI assistant on WhatsApp06 Start a project
Start a project.
Too much manual work? Slow response times? Tools that do not connect?
Tell us more.